[tahoe-lafs-trac-stream] [tahoe-lafs] #1209: repair of mutable files/directories should not increment the sequence number

[tahoe-lafs]

#1209: repair of mutable files/directories should not increment the sequence
number
-------------------------+-------------------------------------------------
     Reporter:  gdt      |      Owner:  davidsarah
         Type:  defect   |     Status:  assigned
     Priority:  major    |  Milestone:  1.10.0
    Component:  code-    |    Version:  1.8.0
  mutable                |   Keywords:  repair mutable preservation space-
   Resolution:           |  efficiency
Launchpad Bug:           |
-------------------------+-------------------------------------------------

Comment (by davidsarah):

 Proposed algorithm:
 1. Find the highest recoverable sequence number, R.
 2. Find the highest sequence number for which there exist any shares, S.
 3. If R == S, repair version R using the algorithm in
 ticket:1130#comment:12 . Otherwise, download version R and upload it to
 version S+1.

 This would also fix #1004, #614, and #1130. IIUC, an implementation of the
 ticket:1130#comment:12 algorithm is being worked on in #1382.

-- 
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1209#comment:17>
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